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HTTP 200 OK
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Content-Type: application/json
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                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 3477,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
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            "auto_start_on_max": false,
            "time_start": "2015-12-14T11:00:00Z",
            "players_start": 16,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 20,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2015-12-14T11:00:25.475655Z",
            "ended": "2018-08-12T08:54:33.063092Z",
            "start_waiting": "2015-12-14T11:00:24.938785Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 30
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}